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Subaru Impreza II WRX STI Replacement Air Filters

Buy now from K&N's Online Store and get a 100% money back guarantee on any Subaru Impreza II WRX STI air filter!

  • Designed to Increase Horsepower and Acceleration
  • High Air Flow with Excellent Filtration
  • Top Performance Accessory for Subaru Impreza II WRX STI Models
  • K&N Million Mile Limited Warranty®

Order your K&N replacement air filter Factory Direct today! Help your Subaru Impreza II WRX STI run better. Fast and FREE SHIPPING with any Subaru Impreza II WRX STI air filter

  1. 2008 Subaru Impreza II WRX STI 2.0L H4 Gas air filter
    Special Price CZK 1,709.09 Regular Price CZK 2,278.69
    33-2232
    K&N
  2. K&N
  3. K&N Extended Life 24,000 Mile Engine Air Filter - SUBARU OUTBACK/ LEG/ IMPREZA/ FORESTER
  4. 2008 Subaru Impreza II WRX STI 2.5L H4 Gas air filter
    Special Price CZK 1,709.09 Regular Price CZK 2,278.69
    33-2304
    K&N
  5. K&N
  6. K&N Extended Life 24,000 Mile Engine Air Filter - SUBARU OUTBACK/ LEG/ IMPREZA/ FORESTER
  7. 2008 Subaru Impreza II WRX STI 2.0L H4 Gas air filter
    Special Price CZK 1,709.09 Regular Price CZK 2,278.69
    33-2304
    K&N
  8. 2007 Subaru Impreza II WRX STI 2.0L H4 Gas air filter
    Special Price CZK 1,709.09 Regular Price CZK 2,278.69
    33-2304
    K&N
  9. K&N
  10. K&N Extended Life 24,000 Mile Engine Air Filter - SUBARU OUTBACK/ LEG/ IMPREZA/ FORESTER
  11. 2007 Subaru Impreza II WRX STI 2.0L H4 Gas air filter
    Special Price CZK 1,709.09 Regular Price CZK 2,278.69
    33-2232
    K&N
  12. 2006 Subaru Impreza II WRX STI 2.0L H4 Gas air filter
    Special Price CZK 1,709.09 Regular Price CZK 2,278.69
    33-2232
    K&N
  13. 2006 Subaru Impreza II WRX STI 2.5L H4 Gas air filter
    Special Price CZK 1,709.09 Regular Price CZK 2,278.69
    33-2232
    K&N
  14. 2005 Subaru Impreza II WRX STI 2.0L H4 Gas air filter
    Special Price CZK 1,709.09 Regular Price CZK 2,278.69
    33-2154
    K&N
  15. 2005 Subaru Impreza II WRX STI 2.5L H4 Gas air filter
    Special Price CZK 1,709.09 Regular Price CZK 2,278.69
    33-2232
    K&N
  16. 2004 Subaru Impreza II WRX STI 2.0L H4 Gas air filter
    Special Price CZK 1,709.09 Regular Price CZK 2,278.69
    33-2154
    K&N
  17. 2004 Subaru Impreza II WRX STI 2.0L H4 Gas air filter
    Special Price CZK 1,709.09 Regular Price CZK 2,278.69
    33-2232
    K&N
  18. 2003 Subaru Impreza II WRX STI 2.0L H4 Gas air filter
    Special Price CZK 1,709.09 Regular Price CZK 2,278.69
    33-2154
    K&N
  19. 2002 Subaru Impreza II WRX STI 2.0L H4 Gas air filter
    Special Price CZK 1,709.09 Regular Price CZK 2,278.69
    33-2232
    K&N
  20. 2001 Subaru Impreza II WRX STI 2.0L H4 Gas air filter
    Special Price CZK 1,709.09 Regular Price CZK 2,278.69
    33-2232
    K&N
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